Home / 5,007.83-7,511.76-2,818.13

Finding the Fourth Proportional to 5,007.83, 7,511.76 and 2,818.13

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Solution

The fourth proportional to 5,007.83, 7,511.76 and 2,818.13 is: 4,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.83 : 7,511.76 = 2,818.13 : x
  2. Step 2: Convert to fraction form
    5,007.83/7,511.76 = 2,818.13/x
  3. Step 3: Cross multiply
    5,007.83x = 7,511.76 × 2,818.13
  4. Step 4: Simplify right side
    5,007.83x = 21,169,078.65
  5. Step 5: Solve for x
    x = 21,169,078.65/5,007.83
  6. Step 6: Final answer
    x = 4,227.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.